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Grade CW2M Nickel vs. AWS ERTi-1

Grade CW2M nickel belongs to the nickel alloys classification, while AWS ERTi-1 belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade CW2M nickel and the bottom bar is AWS ERTi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 23
24
Fatigue Strength, MPa 190
120
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 83
41
Tensile Strength: Ultimate (UTS), MPa 560
240
Tensile Strength: Yield (Proof), MPa 310
170

Thermal Properties

Latent Heat of Fusion, J/g 330
420
Maximum Temperature: Mechanical, °C 960
320
Melting Completion (Liquidus), °C 1520
1670
Melting Onset (Solidus), °C 1460
1620
Specific Heat Capacity, J/kg-K 430
540
Thermal Expansion, µm/m-K 12
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 70
37
Density, g/cm3 8.8
4.5
Embodied Carbon, kg CO2/kg material 12
31
Embodied Energy, MJ/kg 170
510
Embodied Water, L/kg 290
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
52
Resilience: Unit (Modulus of Resilience), kJ/m3 220
140
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 18
15
Strength to Weight: Bending, points 17
19
Thermal Shock Resistance, points 16
19

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 15 to 17.5
0
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 2.0
0 to 0.080
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 15 to 17.5
0
Nickel (Ni), % 60.1 to 70
0
Nitrogen (N), % 0
0 to 0.012
Oxygen (O), % 0
0.030 to 0.1
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.773 to 99.97
Tungsten (W), % 0 to 1.0
0